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Title: Modelling and Control of a Fully RatedConverter Wind Turbine
Author: Caliao, Nolan D.
ISNI:       0000 0004 2678 9310
Awarding Body: The University of Manchester
Current Institution: University of Manchester
Date of Award: 2008
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The research investigated the capability of fully rated converter wind turbines (FCWT) to meet the fault ride through requirement of the Grid Codes and their potential to improve network damping. A FCWT using an induction generator was modelled in detail in a manner suitable for large system studies. The GB Grid Code voltage sag duration curve was used to demonstrate the capability of the FCWT to meet the fault ride through requirement. Small signal analysis of the FCWT connected to a large power system was undertaken. The dynamic behaviour of the FCWT was investigated using eigenvalue analysis. Transient stability studies were also undertaken - to compliment the small-signal stability studies. Eigenvalue analysis was undertaken to determine the influence of the network short circuit level on the networks dominant eigenvalues. It was shown that the strength of the transmission system does not influence the dynamic behaviour ofthe generator of the FCWT. The impact of FSIG and FCWT wind generators on the GB network was investigated. It was shown that adding more FSIG generation improves the damping of the network whilst adding more FCWT generation reduces damping. A power system oscillation damping controller (PDC) for a FCWT was shown to improve network damping.
Supervisor: Not available Sponsor: Not available
Qualification Name: Not available Qualification Level: Doctoral
EThOS ID:  DOI: Not available